[edk2-devel] question about EDKII_IOMMU_PROTOCOL

[Laszlo Ersek]

On 08/25/20 09:39, Tiger Liu(BJ-RD) wrote:
> Hi, Experts:
> I find EDKII_IOMMU_PROTOCOL definition in MdeModulePkg\Include\Protocol\IoMmu.h .
> 
> But I didn't find its define in UEFI Spec or PI Spec.
> So, is it a private protocol definition?

Yes -- that's why the protocol name starts with the "EDKII_" prefix, and
why the header file is under MdeModulePkg and not MdePkg.

It's an "implementation detail" in edk2.

Thanks,
Laszlo


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